Siti set up a circuit to test different materials. She placed an object in the gap. Which of the following objects will allow the bulb to light up?
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Worked Solution
Step 1: For the bulb to light up, the circuit must be closed.
Step 2: The object placed in the gap must be an electrical conductor to allow current to flow.
Step 3: Metals are electrical conductors. A steel paper clip is made of metal.
Step 4: Therefore, the steel paper clip will complete the circuit.
Correct answer: A steel paper clip
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